Network Administration

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  • Enterprise network testing: Best practices for developing a test lab

    Enterprise network testing can minimize IT service outages, yet developing a test lab can bring up various issues. Knowing best practices for running a test facility is imperative.  Book Chapter

  • Cius vs. iPad: Can Cisco take on Apple?

    The battle for the enterprise tablet may boil down to Cisco vs. Apple and Cius vs. iPad. However, Fast Packet blogger, Greg Ferro wonders if Cisco really has the engineering and apps to win.  Fast Packet

  • LAN disaster recovery planning

    Local area network disaster recovery planning may seem simpler than data center recovery planning, but it is still full of surprises. Network admins must know the location and configuration of all components on the LAN and minimize single points of f...  Primer

  • Interop New York 2010: Special news coverage

    At Interop New York 2010 this week, industry experts will focus on data center networking and convergence, cloud computing networks, server and network virtualization, application delivery, WAN performance, new wireless LAN technologies, enterprise m...  Special News Coverage

  • Interop New York technology trends: Hype or ripe?

    Which Interop New York technology trends are ripe and which are hype? Interop New York experts will be discussing, virtualization, converged data center networks, cloud computing, and the all-wireless enterprise, but only some of these technologies w...  Slideshow

  • Primer: Multi-tenant network for the private cloud

    The push for private cloud computing networks is creating new security and management challenges for network managers. The first step is to build a multi-tenant network to isolate applications and data; next come application-aware networks.  Primer

  • CCNA quiz: Test your skills from routing configuration to VLANs

    In this CCNA quiz, you can test yourself on a number of skills found in the CCNA certification study guide, ranging from Cisco IOS router configuration to setting up VLANs with Cisco switches and monitoring spanning tree protocol operation.  Quiz

  • Interop Las Vegas 2010: Special news coverage

    Keep up with what's happening at Interop Las Vegas 2010 in this conference coverage. Read about data center networks and convergence, networking for server virtualization, network virtualization, unified communications, wireless LAN and WAN performan...  Special News Coverage

  • 2010 predictions: What IT trends will affect network administrators?

    In what way will network administrators be affected by IT trends? This 2010 prediction podcast from our networking administration expert explains how job functions will evolve this year.  Slideshow

  • Top 10 networking stories of 2009

    The top 10 networking stories of 2009 are highlighted by a push into the data center network, acquisitions, bankruptcies and new partnerships that will change networking industry leadership.  Slideshow

  • See more Essential Knowledge on Network Administration

  • ISSU (in-service software upgrade)

    An ISSU (in-service software upgrade) is a technique for updating software on a network device without taking that device offline and thereby disrupting network services.  Definition

  • application awareness

    Application awareness is the capacity of a system to maintain information about connected applications to optimize their operation and that of any subsystems that they run or control.  Definition

  • plane (in networking)

    A plane, in a networking context, is one of three integral components of a telecommunications architecture. These three elements -- the data plane, the control plane and the management plane – can be thought of as different areas of operations. Each ...  Definition

  • OpenFlow

    OpenFlow is a protocol that allows a server to tell network switches where to send packets. The packet-moving decisions are centralized, so that the network can be programmed independently of the individual switches and data center gear.  Definition

  • converged network adapter (CNA)

    A converged network adapter (CNA) is a single network interface card (NIC) that contains both a Fibre Channel (FC) host bus adapter (HBA) and a TCP/IP Ethernet NIC.  Definition

  • average bouncing busy hour (ABBH)

    In designing and assessing telephone networks, one approach is to measure the average bouncing busy hour (ABBH) traffic in various network trunks or trunk groups of the network.  Definition

  • frequency-shift keying (FSK)

    Frequency-shift keying (FSK) is a method of transmitting digital signals.  Definition

  • baud

    Baud was the prevalent measure for data transmission speed until replaced by a more accurate term, bps (bits per second).  Definition

  • bits per second (bps or bit/sec)

    In data communications, bits per second (abbreviated bps or bit/sec) is a common measure of data speed for computer modems and transmission carriers.  Definition

  • Regional Internet Registry (RIR)

    A Regional Internet Registry (RIR) is a not-for-profit organization that oversees Internet Protocol (IP) address space and the Autonomous System (AS) numbers within a specific geographical region. Each RIR is tasked with creating local policy for ma...  Definition

  • See more Definitions on Network Administration

  • Networking podcasts

    Listen to our networking podcasts and learn more about technologies you need to know to keep your network running smoothly.  Podcast

About Network Administration

Here we offer tutorials on networking basics, network documentation and network maintenance for the network administrator. Learn about network mapping and tracking network devices and IP addresses to save time and resources, along with ways to simplify routine admin tasks such as operating system upgrades and security patch management.

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